Consult with your doctor if you experience recurrent, sudden, severe dizziness or prolonged episodes of dizziness, faintness, lightheadedness or vertigo. 1  Definition. 2  Causes.
Dosage of castor oil for constipation relief. Castor oil is taken internally. According to Dr.Mercola and World Health Organization the castor oil intake should not prevail 0.7 mg/kg body weight per day. It is one tablespoon for adults and one teaspoon for children.
Discontinue use after 7 days. Castor oil is usually considered a temporary treatment for constipation and is not meant to be taken long-term. Unless under a doctor's supervision, you should not take castor oil for more than 7 days at a time.